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Bull proofs: Top butterfat and efficiency from leading proven Holstein sire

OCD Trooper Sheepster holds firmly on to its lead in the daughter-proven Holstein sires ranking

Katie Jones
Editor, Farmers Guardian and Dairy Farmer
clock 鈥� 2 min read
Daughter of number one proven sire OCD Trooper Sheepster
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Daughter of number one proven sire OCD Trooper Sheepster

An improvement in Profitable Lifetime Index (拢PLI) to 拢783 reflects increases in predicted transmitting abilities for fat (now 52.7kg) and the lifespan of daughters, which are expected to live 110 days...

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